Generac Service Report

Residential PM Service 1 or Start & Verification of Operation Report CAD Air Cooled $179.95, Liquid 22KW 
to 27KW $199.95; 30KW to 60KW $259.95 On new installation, the Verification of Operation Report is 
included.

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  • Suggested by the factory to be performed TWICE per year
  • Recommended by us at least ONCE per year
  • REMEMBER, you cannot drive the generator to your dealer.
Preventive Maintenance Service
The service to be performed during a PM or Start-Up is as follows:

1.0 LUBRICATION
1.1 Check engine crankcase oil level.
1.2 Visually check for coolant contamination.
1.3 Change engine oil and filters using a multi-viscosity oil
1.4 Clean crankcase breather.

2.0 COOLING SYSTEM
2.1 Check engine coolant level if applicable. Add coolant if level is low.
2.2 Inspect unit for a low coolant sensor. If unit is not equipped, note in recommendations.
2.3 Inspect coolant line connections and hoses.
2.4 Check fan/alternator belt tension and wear.
2.5 Inspect the fan idler pivot and grease.
2.6 Inspect the cooling fan and grease the drive bearing, and inspect the fan hub for proper clearance.
2.7 Inspect the fan idler pulley assembly.
2.8 Inspect coolant block heaters' operation and record temperatures.
2.9 Inspect coolant pump.

3.0 FUEL SYSTEM
3.1 Inspect main tank and day tank (if applicable).
3.2 Check piping, valves & fittings.
3.3 Correct minor leaks (if applicable).

4.0 AIR INDUCTION AND EXHAUST
4.1 Check air cleaner, replace as necessary and service indicator.
4.2 Check/clean dust collector cap.
4.3 Inspect manifold and air piping.
4.4 Inspect intake hoses and clamps.
4.5 Inspect intake and exhaust openings.
4.6 If equipped with automatic louver system, verify automatic louver system operation. Ensure louvers
are wired to generator.

5.0 ELECTRICAL SYSTEM PAGE TWO OF TWO
5.1 Check battery electrolyte.
5.2 Clean and inspect battery cables and electrical connections.
5.3 Inspect alternator drive belt if applicable.
5.4 Check shutoff controls.
5.5 Inspect starter.
5.6 Check cold weather starting aids if applicable.
5.7 Check Battery Charger operation. Make sure light indicator is correct and "green" is on.
5.8 Record high and low rate in volts. Voltage tests are to be taken for battery charger (low) in OFF mode
and for alternator charging (high) while the
generator is running.
5.9 Record battery date and date of battery replacement.
 

 

6.0 ENGINE AND ALARM VERIFICATION AND TESTING
6.1 Test engine crank time and record any anomalies.
6.2 Test engine RPM voltage and adjust if necessary.
6.3 Record no load frequency and adjust if necessary.
6.4 Check engine oil pressure.
6.5 Check engine operating temperature.
6.6 Check engine charging system.
6.7 Check and Record: Generator Instruments (H100 Panel)
A. Frequency Reading
B. Voltmeter Reading

7.0 GENERAL CONDITIONS.
7.1 Inspect all belts and ensure proper adjustment.
7.2 Inspect control panel for frayed or damaged wires.
7.3 Visually inspect the vibration damper for rips, tears, broken springs or leaks in liquid
isolators.
7.4 Inspect the generator and engine hold down bolts.
7.5 Inspect the engine for oil and coolant leaks and note.
7.6 Record run hours (if available)
7.7 Report condition of generator enclosure and exhaust system including leaks, holes, rust, etc.
7.8 Report overall condition of the area surrounding the generator.

8.0 OPTIONAL AT CUSTOMER REQUEST to Standard Preventive Maintenance
Price at Pre-Determined Prices Per Service at on a Time & Materials basis
8.1 Replace Battery(ies)
8.2 Coolant Flush & Replacement
8.3 Load Bank Test
8.4 Monitoring and recording Utility Power with data logger